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When "N" is declared before ap_int, following errors will be issued. c:/Xilinx/2011.4/AutoESL/include/etc/ap_private.h:1687:33: error: expected ',' or '...' before numeric constant c:/Xilinx/2011.4/AutoESL/include/etc/ap_private.h:2782:33: error: expected ',' or '...' before numeric constant c:/Xilinx/2011.4/AutoESL/include/etc/ap_private.h: In function 'bool llvm::ap_private_ops::isIntN(uint32_t)': c:/Xilinx/2011.4/AutoESL/include/etc/ap_private.h:2783:16: error: 'APIVal' was not declared in this scope c:/Xilinx/2011.4/AutoESL/include/etc/ap_private.h: At global scope: c:/Xilinx/2011.4/AutoESL/include/etc/ap_private.h:3154:29: error: expected ',' or '...' before numeric constant c:/Xilinx/2011.4/AutoESL/include/etc/ap_private.h: In function 'bool llvm::isIntN(uint32_t)': c:/Xilinx/2011.4/AutoESL/include/etc/ap_private.h:3155:12: error: 'APIVal' was not declared in this scope {0} Field Help

Solution

For the AutoESL tool versions 2011.4.2 and prior, define N after including ap_int.